Home / 12,456,701.37-18,678,651.43-5,629,576.68

Finding the Fourth Proportional to 12,456,701.37, 18,678,651.43 and 5,629,576.68

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Solution

The fourth proportional to 12,456,701.37, 18,678,651.43 and 5,629,576.68 is: 8,441,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,701.37 : 18,678,651.43 = 5,629,576.68 : x
  2. Step 2: Convert to fraction form
    12,456,701.37/18,678,651.43 = 5,629,576.68/x
  3. Step 3: Cross multiply
    12,456,701.37x = 18,678,651.43 × 5,629,576.68
  4. Step 4: Simplify right side
    12,456,701.37x = 105,152,900,430,613.22
  5. Step 5: Solve for x
    x = 105,152,900,430,613.22/12,456,701.37
  6. Step 6: Final answer
    x = 8,441,472.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.